Home / 1,628,013.52-2,441,982.21-430,019.47

Finding the Fourth Proportional to 1,628,013.52, 2,441,982.21 and 430,019.47

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Solution

The fourth proportional to 1,628,013.52, 2,441,982.21 and 430,019.47 is: 645,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,013.52 : 2,441,982.21 = 430,019.47 : x
  2. Step 2: Convert to fraction form
    1,628,013.52/2,441,982.21 = 430,019.47/x
  3. Step 3: Cross multiply
    1,628,013.52x = 2,441,982.21 × 430,019.47
  4. Step 4: Simplify right side
    1,628,013.52x = 1,050,099,895,693.63
  5. Step 5: Solve for x
    x = 1,050,099,895,693.63/1,628,013.52
  6. Step 6: Final answer
    x = 645,019.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.